#list实例
a = [1,2.1,'abc',True,b'hello world',None]
print(a)

#tuple实例
b = (1,2.1,'abc',True,b'hello world',None)
print(b)

#dict实例
x = {"a":2,"b":2.1,"c":"abc","d":True,"e":b'hello world',"f":None}
print(x)

#set实例
c = {1,2.1,"abc",b'hello world',None}
print(c)